US Bridges

CR 173 over Navasota River Tributary

Fair

Limestone County, Texas · 1.0 MI North of CR 150 · Structure no. 091470AA0173002

Built
2014
11 years old
Condition
Fair
inspected March 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
39 ft
1 main span
Daily traffic
55
2016 count
Owner
County
County Highway Agency

About this bridge

CR 173 over Navasota River Tributary is a steel stringer/multi-beam or girder carrying CR 173 over Navasota River Tributary in Limestone County, Texas. It was built in 2014, so it is 11 years old, younger than the Texas average of 44.4 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 55 vehicles a day, projected to reach 75 by 2036. The structure is 39 ft (11.9 m) long and 24 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesCR 173
CrossesNavasota River Tributary
Location1.0 MI North of CR 150
RouteCounty Highway 173
CountyLimestone County
StateTexas
Coordinates31.72273, -96.76684
Functional classRural Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating55 US tons
Inventory rating33 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length39 ft (11.9 m)
Longest span38 ft (11.6 m)
Deck width24 ft (7.3 m)
Roadway width22 ft (6.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic55 (2016)
Projected traffic75 by 2036
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was CR 173 over Navasota River Tributary built?

It was built in 2014, making it 11 years old in 2025.

What condition is CR 173 over Navasota River Tributary in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in March 2024.

How much traffic does CR 173 over Navasota River Tributary carry?

About 55 vehicles per day (2016 count).

How long is CR 173 over Navasota River Tributary?

The structure is 39 ft (11.9 m) long with a longest span of 38 ft (11.6 m) and a deck 24 ft wide.

Who owns CR 173 over Navasota River Tributary?

It is owned by the County Highway Agency.